サイタニー郡内の全村の村落情報を村長からの聞き取り調査を元にデータベース化し，GISによる主題図を出力して生業，農業生産，土地および資源利用の分布を論じた．さらにこれらの項目によって全村を４群に分類し地図化することで特徴的な「村落生態圏」を見いだした．代表的な村における開田と水稲品種変化の動的関係を明らかにした．Detail village information were interviewed with headmen of one hundred and four villages of Xaythani district in Vientiane municipality. According the results, GIS maps of subjects of livelihood, landuse, agricultural production and natural resources utilization were produced and properties of distribution were discussed. Four kinds of “ecological zoning of villages” were identified in the district depending on the village information. Dynamic process of eco-history on the relationship between rice farming expansion and environmental transition were observed in a typical rice growing village
